Question

Evaluate (3x)^2 - 3x^2 when x = 5.

Answer 1

(3*5)^2-3(5)^2=15^2-3*25=225-75=150.

Answer: 150

Answer 2

ok im only in the 7th grade and i have never see '^' befor so im i know i cant help u sorry id try but i dont want u to get it wrong

Answer 3

ok well that's fine

Answer 4

helpmeplzzzzz can you help me with Simplify 2y + 3y+4y

Answer 5

^ means exponent. for example, 5^2=5*5=25.

2y+3y+4y=5y+4y=9y
Answer: 9y

You just combine like terms.

Answer 6

thanks@Idealist10